configure.ac: Add back HAVE_SYSTEMD

When the change was made to add some additional
code to make sure systemd was actually installed
on the system, the HAVE_SYSTEMD #define was
accidently removed.

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>

diff --git a/configure.ac b/configure.ac
index 113c1619f817ddb9585ee50e8a2d51d1f20d4855..8758d9d3c15fca7193c0c57b8f2ee04e2d1533b2 100755 (executable)
--- a/configure.ac
+++ b/configure.ac
@@ -338,6 +338,8 @@ case "${enable_systemd}" in
   AC_CHECK_LIB(systemd, sd_notify, LIBS="$LIBS -lsystemd")
   if test $ac_cv_lib_systemd_sd_notify = no; then
     AC_MSG_ERROR([enable systemd has been specified but systemd development env not found on your system])
+  else
+    AC_DEFINE(HAVE_SYSTEMD,,Compile systemd support in)
   fi
   ;;
   "*") ;;